#root{
    width: 100%;
    height: 100%;
    position: relative;
    background: rgb(65, 65, 81);
}
.bb{
    width: 100%;
    height: 100%;
    .aa{
    background:rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    position: absolute;
    top: 15%;
    left: 35%;
}
}

